The stars of the CBS hit show, “2 Broke Girls” Kat Dennings and Beth Behrs stopped by the “omg! Insider” newsroom on Monday to give us a look at tonight’s episode and it’s all about the hair! So we had to ask Kat, who stars in Marvel’s “Thor: The Dark World,” which of her co-stars wears blond hair extensions better, Beth or Chris Hemsworth. Check out the vid to hear her answer and be sure to tune in to “omg! Insider” on TV tonight for the latest in entertainment news.